Manganese

Sands Point

Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.

MORE ABOUT THIS CONTAMINANT

305

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	62.6 ppb	60	17	ND - 310.0 ppb
2015	50.0 ppb	29	5	ND - 300.0 ppb
2016	91.6 ppb	50	19	ND - 440.0 ppb
2017	98.7 ppb	71	33	ND - 440.0 ppb
2018	148.9 ppb	45	25	ND - 440.0 ppb
2019	147.1 ppb	50	26	ND - 400.0 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 100 ppb

The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-01-14	1401556-004A	ND
2014-01-14	1401556-005A	ND
2014-01-14	1401556-001A	290.0 ppb
2014-01-14	1401556-002A	ND
2014-01-14	1401556-003A	ND
2014-02-11	1402497-003A	ND
2014-02-11	1402497-001A	300.0 ppb
2014-02-11	1402497-002A	ND
2014-02-11	1402497-005A	ND
2014-02-11	1402497-004A	ND
2014-03-17	1403B24-001A	290.0 ppb
2014-03-17	1403B24-002A	ND
2014-03-17	1403B24-003A	ND
2014-03-17	1403B24-005A	ND
2014-03-17	1403B24-004A	ND
2014-04-15	1404B39-001A	300.0 ppb
2014-04-15	1404B39-002A	ND
2014-04-15	1404B39-003A	ND
2014-04-15	1404B39-004A	ND
2014-04-15	1404B39-005A	ND
2014-05-13	1405914-004A	ND
2014-05-13	1405914-005A	ND
2014-05-13	1405914-002A	ND
2014-05-13	1405914-003A	ND
2014-05-13	1405914-001A	310.0 ppb
2014-06-17	1406C55-001A	290.0 ppb
2014-06-17	1406C55-005A	ND
2014-06-17	1406C55-002A	ND
2014-06-17	1406C55-004A	ND
2014-06-17	1406C55-003A	ND
2014-07-15	1407A76-004A	ND
2014-07-15	1407A76-003A	ND
2014-07-15	1407A76-001A	310.0 ppb
2014-07-15	1407A76-005A	ND
2014-07-15	1407A76-002A	ND
2014-08-19	1408D77-055A	ND
2014-08-19	1408D77-004A	ND
2014-08-19	1408D77-002A	ND
2014-08-19	1408D77-001A	300.0 ppb
2014-08-19	1408D77-003A	ND
2014-09-23	1409H70-003A	ND
2014-09-23	1408H70-001A	290.0 ppb
2014-09-23	1409H70-005A	15.0 ppb
2014-09-23	1409H70-004A	ND
2014-09-23	1409H70-002A	ND
2014-10-21	1410D83-005A	ND
2014-10-21	1410D83-002A	ND
2014-10-21	1410D83-003A	ND
2014-10-21	1410D83-001A	300.0 ppb
2014-10-21	1410D83-004A	ND
2014-11-18	1411C18-001-SEC	26.0 ppb
2014-11-18	1411C18-004-SEC	25.0 ppb
2014-11-18	1411C18-003-SEC	100.0 ppb
2014-11-18	1411C18-002-SEC	37.0 ppb
2014-11-18	1411C18-005-SEC	280.0 ppb
2014-12-09	1412724-001A	290.0 ppb
2014-12-09	1412724-002A	ND
2014-12-09	1412724-004A	ND
2014-12-09	1412724-005A	ND
2014-12-09	1412724-003A	ND
2015-01-27	1501G24-005A	ND
2015-01-27	1501G24-003A	ND
2015-01-27	1501G24-004A	ND
2015-01-27	1501G24-001A	290.0 ppb
2015-01-27	1501G24-002A	ND
2015-02-18	1502B12-001A	290.0 ppb
2015-02-18	1502B12-003A	ND
2015-02-18	1502B12-004A	ND
2015-02-18	1502B12-002A	ND
2015-02-18	1502B12-005A	ND
2015-03-17	1503B54-004A	ND
2015-03-17	1503B54-005A	ND
2015-03-17	1503B54-002A	ND
2015-03-17	1503B54-001A	300.0 ppb
2015-03-17	1503B54-003A	ND
2015-04-21	1504G03-002A	ND
2015-04-21	1504G03-004A	ND
2015-04-21	1504G03-005A	ND
2015-04-21	1504G03-001A	280.0 ppb
2015-04-21	1504G03-003A	ND
2015-05-19	1505D98-005A	ND
2015-05-19	1505D98-003A	ND
2015-05-19	1505D98-002A	ND
2015-05-19	1505D98-004A	ND
2015-05-19	1505D98-001A	290.0 ppb
2015-06-09	1506756-001A	ND
2015-06-09	1506756-002A	ND
2015-06-09	1506756-004A	ND
2015-06-09	1506756-003A	ND
2016-03-08	1603612-005A	ND
2016-03-08	1603612-002A	ND
2016-03-08	1603612-003A	ND
2016-03-08	1603612-004A	ND
2016-03-08	1603612-001A	270.0 ppb
2016-04-12	1604B54-002A	ND
2016-04-12	1604B54-001A	310.0 ppb
2016-05-10	1605858-002A	10.00 ppb
2016-05-10	1605858-001A	300.0 ppb
2016-06-14	1606E66-003A	13.0 ppb
2016-06-14	1606E66-002A	15.0 ppb
2016-07-12	1607900-004A	ND
2016-07-12	1607900-002A	ND
2016-08-09	1608947-002A	ND
2016-08-09	1608947-001A	280.0 ppb
2016-08-24	1608N57-002A	ND
2016-09-15	1609D36-001-SEC	380.0 ppb
2016-09-20	H14-001A	390.0 ppb
2016-09-20	1609H15-001A	240.0 ppb
2016-09-20	H15-002A	ND
2016-09-20	16H14-002A	ND
2016-10-11	701751005	ND
2016-10-11	701751007	ND
2016-10-11	701751010	ND
2016-10-11	701751001	240.0 ppb
2016-10-11	701751002	ND
2016-10-11	701751006	260.0 ppb
2016-10-11	701751004	ND
2016-10-11	701751003	ND
2016-11-08	703983002	ND
2016-11-16	704957005	ND
2016-11-16	704726005-SEC	440.0 ppb
2016-11-16	704957003	ND
2016-11-16	704957004	ND
2016-11-16	704957002	ND
2016-11-16	704957001	430.0 ppb
2016-12-01	705820002-SEC	50.0 ppb
2016-12-01	705820005-SEC	250.0 ppb
2016-12-01	705820003	ND
2016-12-01	7-5820004-SEC	30.0 ppb
2016-12-01	705820001-SEC	ND
2016-12-13	706731003	ND
2016-12-13	706731009	ND
2016-12-13	706731007	ND
2016-12-13	706731006	420.0 ppb
2016-12-13	706731002	ND
2016-12-13	706731010	ND
2016-12-13	706731001	250.0 ppb
2016-12-31	706731008	ND
2016-12-31	706731004	ND
2017-01-10	708730009	12.0 ppb
2017-01-10	708730004	ND
2017-01-10	708730010	12.0 ppb
2017-01-10	708730005	ND
2017-01-10	708730007	16.0 ppb
2017-01-10	708730001	240.0 ppb
2017-01-10	708730002	ND
2017-01-10	708730003	ND
2017-01-10	708730008	14.0 ppb
2017-01-10	708730006	440.0 ppb
2017-02-07	7010783007	10.00 ppb
2017-02-07	7010783002	ND
2017-03-07	7012849005	ND
2017-03-07	7012839002	ND
2017-03-07	7012839001	ND
2017-03-07	7012839004	ND
2017-03-07	7012839005	250.0 ppb
2017-03-07	7012839003	ND
2017-03-21	7013839001-SEC	410.0 ppb
2017-04-04	7014888002	16.0 ppb
2017-04-04	7014888007	ND
2017-05-02	7017523001A	250.0 ppb
2017-05-02	7017523007	ND
2017-05-02	7017523002	ND
2017-05-02	7017523006	380.0 ppb
2017-05-11	7018457003-SEC	26.0 ppb
2017-05-18	7019036001-SEC	420.0 ppb
2017-06-06	7020539010	ND
2017-06-06	7020539006	420.0 ppb
2017-06-06	7020539008	12.0 ppb
2017-06-06	7020539009	ND
2017-06-06	7020539002	ND
2017-06-06	7020539004	ND
2017-06-06	7020539003	12.0 ppb
2017-06-06	7020539001	250.0 ppb
2017-06-06	7020539007	ND
2017-07-05	7023165005	ND
2017-07-05	7023165010	ND
2017-07-05	7023165002	ND
2017-07-05	7023165006	380.0 ppb
2017-07-05	7023165009	ND
2017-07-05	7023165001	240.0 ppb
2017-07-05	7023165008	ND
2017-07-05	7023165007	ND
2017-07-05	7023165004	ND
2017-07-05	7023165003	ND
2017-08-01	7025831004	ND
2017-08-01	7025831002	ND
2017-08-01	7025831001	240.0 ppb
2017-08-01	7025831003	370.0 ppb
2017-09-05	7028866001	250.0 ppb
2017-09-05	7028866003	390.0 ppb
2017-09-05	7028866004	ND
2017-09-05	7028866002	ND
2017-10-17	7033170003	370.0 ppb
2017-10-17	7033170001	240.0 ppb
2017-10-17	7033170002	ND
2017-10-17	7033170004	ND
2017-11-14	7035726006-SEC	ND
2017-11-14	7035726005-SEC	ND
2017-11-14	7035726002-SEC	34.0 ppb
2017-11-14	7035726001-SEC	ND
2017-11-14	7035726004-SEC	18.0 ppb
2017-11-14	7035726003-SEC	13.0 ppb
2017-11-21	7036312001	260.0 ppb
2017-11-21	7036312002	ND
2017-11-21	7036312004	ND
2017-11-21	7036312003	390.0 ppb
2017-12-19	7038569003	380.0 ppb
2017-12-19	7038569004	ND
2017-12-19	7038569001	240.0 ppb
2018-01-17	7040642003	370.0 ppb
2018-01-17	7040642001	240.0 ppb
2018-01-17	7040642002	ND
2018-01-17	7040642004	15.0 ppb
2018-02-13	7042829003	390.0 ppb
2018-02-13	7042829004	ND
2018-02-13	7042829002	ND
2018-02-13	7042829001	240.0 ppb
2018-03-20	7045739003	440.0 ppb
2018-03-20	7045739002	ND
2018-03-20	7045739001	250.0 ppb
2018-03-20	7045739004	ND
2018-05-15	7051747001	230.0 ppb
2018-05-15	7051747002	ND
2018-05-15	7051747003	400.0 ppb
2018-05-15	7051747004	ND
2018-07-10	7057656001	250.0 ppb
2018-07-10	7057656002	ND
2018-07-10	7057656004	ND
2018-07-10	7057656003	380.0 ppb
2018-08-14	7061472001	240.0 ppb
2018-08-14	7061472002	ND
2018-08-14	7061472003	380.0 ppb
2018-08-14	7061472004	ND
2018-09-12	7064544004	ND
2018-09-12	7064544003	410.0 ppb
2018-09-12	7064544001	230.0 ppb
2018-09-12	7064544002	ND
2018-10-09	7067332002	ND
2018-10-09	7067832001	390.0 ppb
2018-10-10	7067445001	240.0 ppb
2018-10-10	7067445002	ND
2018-10-16	7068145005-SEC	230.0 ppb
2018-10-16	7068145004-SEC	27.0 ppb
2018-10-16	7068145003-SEC	44.0 ppb
2018-10-16	7068145002-SEC	35.0 ppb
2018-10-16	7068145001-SEC	ND
2018-10-16	7068145006-SEC	400.0 ppb
2018-11-06	7070185001	230.0 ppb
2018-11-06	7070185002-SEC	ND
2018-11-06	7070185004-SEC	ND
2018-12-11	7073559001	240.0 ppb
2018-12-11	7073559002	ND
2018-12-11	7073559004	ND
2018-12-11	7073559003	400.0 ppb
2019-01-08	7075898002	ND
2019-01-08	7075898003	400.0 ppb
2019-01-08	7075898004	ND
2019-01-08	7075898001	240.0 ppb
2019-02-12	7079303001	340.0 ppb
2019-02-12	7079303002	ND
2019-02-26	7080709001	240.0 ppb
2019-02-26	7080709002	ND
2019-03-12	7082079001	220.0 ppb
2019-03-12	7082079003	350.0 ppb
2019-03-12	7082079004	ND
2019-03-12	7082079002	ND
2019-04-02	7085134001	240.0 ppb
2019-04-09	7085134002	ND
2019-04-09	7085134004	ND
2019-04-09	7085134003	360.0 ppb
2019-05-14	7089457002	ND
2019-05-14	7089457001	230.0 ppb
2019-05-14	7089457004	ND
2019-05-14	7089457003	360.0 ppb
2019-06-11	7093093004	350.0 ppb
2019-06-11	7093093005	ND
2019-06-11	7093093003	ND
2019-06-11	7093093002	240.0 ppb
2019-07-09	7096804001	230.0 ppb
2019-07-09	7096804003	370.0 ppb
2019-07-09	7096804002	ND
2019-07-09	7096804004	ND
2019-08-13	70101086001	230.0 ppb
2019-08-13	70101086002	ND
2019-08-13	70101086004	ND
2019-08-13	70101086003	380.0 ppb
2019-09-09	70104208004	400.0 ppb
2019-09-09	70104208002	240.0 ppb
2019-09-09	70104208005	ND
2019-09-09	70104208003	ND
2019-10-07	70107754004	ND
2019-10-07	70107754001	240.0 ppb
2019-10-07	70107754003	400.0 ppb
2019-10-07	70107754002	ND
2019-10-15	70108488005	240.0 ppb
2019-10-15	70108488006-SEC	370.0 ppb
2019-10-15	70108488001-SEC	ND
2019-10-15	70108488004-SEC	ND
2019-10-15	70108488002-SEC	26.0 ppb
2019-10-15	70108488003-SEC	39.0 ppb
2019-12-10	70114717003	400.0 ppb
2019-12-10	70114717001	220.0 ppb
2019-12-10	70114717004	ND
2019-12-10	70114717002	ND